Wavetek 3000 - SECTION 5 MAINTENANCE; Introduction to Maintenance; Service Information; Disassembly Procedures

5 .1 INTRODUCTION
This sectionprovides information for
disassembling, calibrating and trouble-
shooting the Model
3000
Signal Generator .
Measurements and adjustments
will be
facilitated by placing instrument
on
its
right
side, as access is required
to
top and
bottom
of
unit for adjust-
ments and test
points .
5 .2 SERVICE INFORMATION
5 .2 .1 Disassembly Information
Refer to Figure 5-1 .
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The side panels
form part of the support for the top and
bottom covers ; therefore, these
covers
should be removed before removing either
side panel .
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The covers and panels can
be removed as indicated below .
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NOTE :
One side panel
must remain on the in-
strument
to secure the front-panel as-
sembly to the chassis .
REMOVAL OF BOTTOMCOVER - Remove
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two
rear feet (A) and lift cover off with a
slight rear movement .
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Reinstall cover
by reversing the removal procedure .
REMOVAL OF TOP COVER - Remove the single
screw (B) from top and lift off cover
with a slight rear movement . Reinstall
cover by reversing the removal procedure
.
REMOVAL OF FRONT TOP
RAIL - The top rail
may be removed to facilitate removal
of
the meter board assembly .
The rail is
removed
by removing threescrews (D)
and
lifting
rail upward .
REMOVAL
OF SIDE PANEL - Either side panel
can be removed to providebetter access
SECTION S
MAINTENANCE
by removing
the six screws (E) holding
side panel to the instrument .
Figure 5-1 . Disassembly
5 .2 .2 Module Servicing
REMOVAL OF
MODULE
-
Modules
may
be re-
moved by removing any cables attached
to
top of
the
module and removing hold-
down screw (C)
from
bottom
.
Rock module
slightly while
lifting upward to free
module from
chassis socket .
REINSTALLINGMODULE - Beforeinstalling
the module, check that module pins are
straight and properly aligned ; then,
carefully seat module pins into the
chassis socket, replace module hold-
down screw (C)
to insure a good ground
connectionbetweenmodule and chassis,
and replace any cables attached to top
of module .
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Module-cable connections are
shown in Figure 5-6 .
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NOTE :
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If a module